ReactJS Blueprint NumberInput Component

BlueprintJS is a React-based UI toolkit for the web. This library is very optimized and popular for building interfaces that are complex data-dense for desktop applications.

NumberInput Component provides a way for users to provide them a number input. It is a basic component to collect numeric data from the user. We can use the following approach in ReactJS to use the ReactJS Blueprint NumberInput Component.

NumberInput Props:

• allowNumericCharactersOnly: Whether to allow only floating-point number characters in the field.
• asyncControl: We can control the value of this input with asynchronous updates when this is set to true.
• buttonPosition: It is used to denote the position of the buttons with respect to the input field.
• clampValueOnBlur: It is used to indicate whether the value should be clamped to [min, max] on blur.
• className: It is used to denote the space-delimited list of class names to pass along to a child element.
• defaultValue: It is used to denote the initial value of the input, for uncontrolled usage.
• disabled: It is used to indicate whether or not the input is non-interactive.
• fill: It is used to indicate whether or not the component should take up the full width of its container.
• inputRef: It is used to denote the ref handler or a ref object that receives HTML <input> element backing this component.
• intent: It is used to denote the visual intent color to apply to the element.
• large: It is used to indicate whether or not this input should use large styles.
• leftIcon: It is used to denote the name of an icon or an icon element to render on the left side of an input.
• locale: It is used to denote the locale name, which is passed to the component to format the number and allowing to type the number in the specific locale.
• majorStepSize: It is used to denote the increment between successive values when shift is held.
• max: It is used to denote the maximum value of the input.
• min: It is used to denote the minimum value of the input.
• minorStepSize: It is used to denote the increment between successive values when alt is held.
• onButtonClick: It is a callback function that is triggered when the value changes due to a button click.
• onValueChange: It is a callback function that is triggered when the value changes due to typing, arrow keys, or button clicks.
• placeholder: It is used to denote the placeholder text in the absence of any value.
• rightElement: It is used to denote the element to render on the right side of an input.
• selectAllOnFocus: It is used to indicate whether the entire text field should be selected on focus or not.
• selectAllOnIncrement: It is used to indicate whether the entire text field should be selected on increment.
• stepSize: It is used to denote the increment between successive values when no modifier keys are held.
• value: It is used to denote the value to display in the input field.

Creating React Application And Installing Module:

• Step 1: Create a React application using the following command:

  npx create-react-app foldername

• Step 2: After creating your project folder i.e. foldername, move to it using the following command:

  cd foldername

• Step 3: After creating the ReactJS application, Install the required module using the following command:

  npm install @blueprintjs/core

Project Structure: It will look like the following.

Project Structure

Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code.

Step to Run Application: Run the application using the following command from the root directory of the project:

npm start

Output: Now open your browser and go to http://localhost:3000/, you will see the following output:

Reference: https://blueprintjs.com/docs/#core/components/numeric-input